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312979 D Four-Row Cylindrical Roller Bearings
Dimensions: Bore (Inner) Diameter: 760 mm； Outer Diameter: 1080 mm； Width (Thickness): ;

312979 D
Product Attributes
Product Number312979 D
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined Radial and Thrust
Bore Dia760 mm
Outer Dia1080 mm
Total Bearing Width Over Inner Ring(S)(B)790 mm
Total Bearing Width Over Outer Ring(S)(C)790 mm
Dynamic Radial Load23800 kN
Static Radial Load65500 kN
LubricationGrease, Oil
Temperature Range-30° to 110 °C
RoHSCompliant
REACHCompliant
Corner Radius/Chamfer Inner Ring(r1,2)(min#)7.5 mm
Chamfer Dimension On The Outer Ring(r3,4)(min#)7.5 mm
Dynamic Load Rating23800 kN
Static Load Rating65500 kN
Fatigue Load Limit(Pu)4400 kN
Static Load Rating 10000 kN greater
Calculation Factor(Kr)760
Mass Bearing2440 kg
Raceway Diameter Inner Ring(F)846 mm
Design Variant/FeatureBC4.10/W33WI
Width of Annular Groove(B)22.3 mm
Outer Ring Shoulder Diameter(D1)974 mm
Diameter Lubrication Hole(Outer Ring)(K)12 mm
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